Play Live Radio
Next Up:
0:00
0:00
Available On Air Stations

NASA Sends Probe to Explore Space-Time

NASA has successfully launched a satellite designed to examine the nature of space and time. The $750 million Gravity Probe B satellite will spend the next 18 months testing the fabric of space surrounding the Earth. Scientists first proposed the mission in 1959. NPR's David Kestenbaum reports.

Copyright 2004 NPR

David Kestenbaum is a correspondent for NPR, covering science, energy issues and, most recently, the global economy for NPR's multimedia project Planet Money. David has been a science correspondent for NPR since 1999. He came to journalism the usual way — by getting a Ph.D. in physics first.
Related Stories